It is shown that bi-tapering of a chalcogenide fiber results in a substantial increase in the number of reflections from the fiber boundary. Furthermore the average angle of incidence is closer to the critical angle. As a result the ATR absorption increases substantially when bi- tapered fibers, as compared to straight ones, are used. Hence higher sensing demands may be answered by bi-tapered fiber probes.
Attenuated total reflection spectroscopy with chalcogenide bitapered fibers
Infrared Fiber Optics III ; 1991 ; Boston,MA,United States
Proc. SPIE ; 1591
1992-01-01
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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